﻿$.slideshow = {};
$.slideshow.show = function () {

    //Set the opacity of all images to 0
    $('#gallery a').css({ opacity: 0.0 });

    //Get the first image and display it (set it to full opacity)
    $('#gallery a:first').css({ opacity: 1.0 });

    //Set the caption background to semi-transparent
    $('#gallery .caption').css({ opacity: 0.7 });

    //Resize the width of the caption according to the image width
    $('#gallery .caption').css({ width: $('#gallery a').find('img').css('width') });

    //Get the caption of the first image from REL attribute and display it
    $('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
	.animate({ opacity: 0.7 }, 400);

    //Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
    setInterval('$.slideshow.gallery()', 6000);

}
$.slideshow.gallery = function () {

    //if no IMGs have the show class, grab the first image
    var current = ($('#gallery a.show') ? $('#gallery a.show') : $('#gallery a:first'));

    //Get next image, if it reached the end of the slideshow, rotate it back to the first image
    var next = ((current.next().length) ? ((current.next().hasClass('caption')) ? $('#gallery a:first') : current.next()) : $('#gallery a:first'));

    //Get next image caption
    var caption = next.find('img').attr('rel');

    //Set the fade in effect for the next image, show class has higher z-index
    next.css({ opacity: 0.0 })
	.addClass('show')
	.animate({ opacity: 1.0 }, 1000);

    //Hide the current image
    current.animate({ opacity: 0.0 }, 1000)
	.removeClass('show');

    //Set the opacity to 0 and height to 1px
    $('#gallery .caption').animate({ opacity: 0.0 }, { queue: false, duration: 0 }).animate({ height: '1px' }, { queue: true, duration: 300 });

    //Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
    $('#gallery .caption').animate({ opacity: 0.7 }, 100).animate({ height: '100px' }, 500);

    //Display the content
    $('#gallery .content').html(caption);


}